Home / 91,434.96-126,190.71-51,158.93

Finding the Fourth Proportional to 91,434.96, 126,190.71 and 51,158.93

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Solution

The fourth proportional to 91,434.96, 126,190.71 and 51,158.93 is: 70,605.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,434.96 : 126,190.71 = 51,158.93 : x
  2. Step 2: Convert to fraction form
    91,434.96/126,190.71 = 51,158.93/x
  3. Step 3: Cross multiply
    91,434.96x = 126,190.71 × 51,158.93
  4. Step 4: Simplify right side
    91,434.96x = 6,455,781,068.59
  5. Step 5: Solve for x
    x = 6,455,781,068.59/91,434.96
  6. Step 6: Final answer
    x = 70,605.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.